KEF C30 Two Way Loudspeaker System (1985-88) Excellent condition, sound great! Check out the pics!!! Specifications Type: 2 way, 2 driver loudspeaker system Frequency Response: 70Hz to 20kHz Recommended Amplifier: 10 to 100W Impedance: 8Ω Sensitivity: 90dB Midbass: 1 x 200mm polypropylene Enclosure: 17.5 litre, closed box Finish: simulated walnut, rosewood, black ash Dimensions: 503 x 247 x 212mm Weight: 7.3kg Year: 1988